• Principal Environmental Test

    RTX Corporation (Tucson, AZ)
    …installations and data acquisition support. Environmental Test is seeking a Principal Test Engineer in the field of environmental testing. ... meaningful problems that create a safer, more secure world. Environmental Test (ET) is an engineering organization...Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP… more
    RTX Corporation (11/21/25)
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  • Principal Test Engineer

    Mercury Systems (Phoenix, AZ)
    Req. Number 25-504 Job Description Job Summary: Mercury Systems is seeking a Principal Test Engineer to lead efforts in developing and executing server ... servers and secure software product lines + Design and implement robust test procedures that meet military standards (eg, MIL-STD-810, DO-461, DO-167, DO-178C,… more
    Mercury Systems (01/07/26)
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  • Effector Power - Principal Test

    RTX Corporation (Tucson, AZ)
    …Power and Analog Design (EPAD) Team is looking for an Electrical Engineer with education and experience in performing circuit card testing and troubleshooting ... to the component level utilizing schematics and test equipment. **What You Will Do** The Effector Power...to enable determination of faulty product for design, workmanship, environmental and/or component defects on complex electronics. Work on… more
    RTX Corporation (11/19/25)
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  • Principal Analyst Support Engineer

    RTX Corporation (Tucson, AZ)
    …a ** Principal Analyst Support Engineer ** to manage and implement environmental test projects, as well as oversee the day-to-day administrative functions ... of multiple engineering and environmental test labs. This role will focus on ensuring safety, security, and compliance in alignment with established doctrine and… more
    RTX Corporation (12/16/25)
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  • Principal Systems Engineer

    Northrop Grumman (Mesa, AZ)
    …action. + Ability to scope and generate product test plans, lead tests as Test Engineer and generate comprehensive test reports for internal and external ... Systems Division. As part of the Systems Engineering group, the Principal Systems Engineer coordinates planning, organization, implementation, integration, and… more
    Northrop Grumman (12/04/25)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Chandler, AZ)
    …history. Northrop Grumman Space Systems is seeking a Sr. Principal Systems Engineer to support the Test & Evaluation (T&E) Integrated Product Team (IPT) ... Interceptor (GPI) program. The T&E IPT has whole landscape ownership of program test campaign through Initial Operational Capability (IOC). T&E IPT is accountable to… more
    Northrop Grumman (11/21/25)
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  • Senior Principal GPS Systems…

    RTX Corporation (Tucson, AZ)
    …with hardware integration, Hardware in the Loop (HIL), modeling and simulation and environmental testing and electronics test equipment + Experience working with ... electrical engineering responsibilities include architecture, analysis, requirements, integration, and test . Our core electrical engineering technologies include RF/RADAR, Navigation/IMU/GPS,… more
    RTX Corporation (12/10/25)
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  • Principal Information Systems…

    RTX Corporation (Tucson, AZ)
    …(Sec+, CISM, etc.) + Experience leading small teams to troubleshoot complex multi-system test platforms + Experience as a System Engineer with an understanding ... tough, meaningful problems that create a safer, more secure world. The Test Equipment Engineering (TEE) includes the engineering disciplines responsible for systems… more
    RTX Corporation (11/10/25)
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  • Senior Principal Thermal Engineer

    Oracle (Phoenix, AZ)
    …+ Experience with mechanical validation tests process that may include, Environmental Test Engineering (ETE), Vibration testing & characterization. Familiarity ... **Job Description** As a Senior Principal Thermal Engineer , you will focus...vendor selection process + Oversee the build and validation test process of prototypes + Perform root cause and… more
    Oracle (11/25/25)
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  • Sr Principal Mech Engr, Harness…

    RTX Corporation (Tucson, AZ)
    …​The Precision Control Actuation System department is seeking a mechanical design engineer to join the Harness and Interconnect organization to support the ... + Support may include but is not limited to detailed mechanical design, test design and execution, systems engineering, proposals and estimates, or earned value… more
    RTX Corporation (12/09/25)
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  • Systems Engineer Systems - Level 4

    Northrop Grumman (Chandler, AZ)
    …**Job Description:** Northrop Grumman Space Systems is seeking a Principal Systems Engineer to support the GPI program's Test & Evaluation (T&E) Integrated ... certification. Seeking candidate that has strong technical depth in test and evaluation with emphasis in using environmental... test and evaluation with emphasis in using environmental requirements and systems specifications to forge test more
    Northrop Grumman (11/15/25)
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  • Senior Pr. Mechanical Engineer - Structural

    RTX Corporation (Tucson, AZ)
    …balanced solutions. Raytheon is seeking an experienced Senior Principal Structural Engineer to join the Mechanical Analysis and Test Department with a ... a safer, more secure world. The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and...working in a team environment **The Senior Pr. Mechanical Engineer - Structural job is in Tucson, AZ and… more
    RTX Corporation (10/17/25)
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  • Quality Assurance- Data Analytics

    Republic Services (Phoenix, AZ)
    **POSITION SUMMARY:** The QA Test Engineer is responsible for leading the end to end quality of projects within the Company's Web and Mobile Application ... Portfolios. The QA Test Engineer creates, tests, and plans for...PRINCIPAL RESPONSIBILITIES:** + Designs, develops, implements and automates test plans and test cases in an… more
    Republic Services (01/09/26)
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